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via Google Groups by vivek sharma, 11 months ago
KafkaStreamsSpike$BusinessProcess cannot be cast to [B
via Stack Overflow by Shilpi
, 2 months ago
java.lang.String cannot be cast to [B
java.lang.ClassCastException: KafkaStreamsSpike$BusinessProcess cannot be cast to [B	at org.apache.kafka.common.serialization.ByteArraySerializer.serialize(ByteArraySerializer.java:18)	at org.apache.kafka.streams.processor.internals.RecordCollector.send(RecordCollector.java:77)	at org.apache.kafka.streams.processor.internals.SinkNode.process(SinkNode.java:72)	at org.apache.kafka.streams.processor.internals.StreamTask.forward(StreamTask.java:338)	at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:187)	at org.apache.kafka.streams.kstream.internals.KStreamMap$KStreamMapProcessor.process(KStreamMap.java:43)	at org.apache.kafka.streams.processor.internals.ProcessorNode.process(ProcessorNode.java:68)	at org.apache.kafka.streams.processor.internals.StreamTask.forward(StreamTask.java:338)	at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:187)	at org.apache.kafka.streams.processor.internals.SourceNode.process(SourceNode.java:64)	at org.apache.kafka.streams.processor.internals.StreamTask.process(StreamTask.java:174)	at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:320)	at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:218)